Derek Cole says modern air conditioners last 10 to 12 years, while 1970s units lasted 25 to 30 years because they had a hard-start device that protected the compressor. Manufacturers stopped including it to force replacements sooner.
Air conditioners in this part of the country last 10 to 12 years, uh, depending on maintenance and wear and tear. Now we have those units from the 1970s, you've seen them, those round— we call them beer can units, the round units that have been around for like 25, 30 years. Those babies have lasted so long because they've actually installed a product back then called a compressor saver. Or a hard start to actually help the compressor last longer. Since then, the equipment manufacturers have gotten very smart and decided to not put those in the units because they're in the business to sell more units. So if you make a unit that lasts 25 years, obviously you don't sell the homeowner another unit, right? So 10, 12 years is normal. The people who make the compressors actually tell us that they make a compressor for 10 years and that's pretty much it. The compressor is the heart of the system, so if the compressor goes out, you're basically talking about a heart transplant for your system.
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